base: removed explicit Newtonsoft.Json requirement

At compile time everything seems alright, but at runtime
Microsoft.AspNet.WebApi.Client decides that 13.0.1 is no longer ≥6.0.4
and errors out.

Great.

CHANGELOG.md

@@ -1,4 +1,13 @@
-# 4.5 (2022-09-19)
+# devel
+
+## SpanshAttack 7.2.3
+
+* Fixed `Newtonsoft.Json` version conflict that prevented getting approximate
+  coordinates for an unknown system from EDTS.
+
+-----
+
+# 4.5 (2022-09-19)
 
 This might very well be the last release of this. With how the “Horizons 4.0”
 launch went, Frontier’s communication around it, and just _how_ horrible 4.0 is,

VERSION

@@ -1 +1 @@
-4.5
+4.5.1

plugins/SpanshAttack/SpanshAttack.cs

@@ -33,7 +33,7 @@ namespace SpanshAttack
     /// </summary>
     public class SpanshAttack
     {
-        private static readonly Version VERSION = new ("7.2.2");
+        private static readonly Version VERSION = new ("7.2.3");
 
         private static VoiceAttackLog? log;
         private static VoiceAttackCommands? commands;

plugins/VoiceAttack-base/VoiceAttack-base.csproj

@@ -71,9 +71,6 @@
     <PackageReference Include="Microsoft.AspNet.WebApi.Client">
       <Version>5.2.9</Version>
     </PackageReference>
-    <PackageReference Include="Newtonsoft.Json">
-      <Version>13.0.1</Version>
-    </PackageReference>
     <PackageReference Include="System.Net.Http">
       <Version>4.3.4</Version>
     </PackageReference>